# Bluetooth: RFCOMM: fix NULL dereference of dlc->session in RFCOMM_CONNINFO

CVE record · `CVE-2026-98455`

- **Identifiers:** `CVE-2026-98455`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 18 Oct 2026
- **Updated:** 19 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:15 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `bb23c0ab824653be4aa7dfca15b07b3059717004 to before c3aee3fc1287c8a555baf3895959087cb0c33fe8` (git)
  - affected: `bb23c0ab824653be4aa7dfca15b07b3059717004 to before 4bf5ca47203049ce3648f750a53dcdc98bcc9e3e` (git)
  - affected: `bb23c0ab824653be4aa7dfca15b07b3059717004 to before 1c4f7e1177da2f229be04139c27e5370a1cfba52` (git)
  - affected: `bb23c0ab824653be4aa7dfca15b07b3059717004 to before 84ae3cfd7d3a63591a2eb4faa24faf678c6708aa` (git)
  - affected: `bb23c0ab824653be4aa7dfca15b07b3059717004 to before c7362f6a18ed167f52f08ce25eeec8a7818c5004` (git)
  - affected: `bb23c0ab824653be4aa7dfca15b07b3059717004 to before 8f5b30cc12c409ff62891e47ed51e6bf0945a3ea` (git)
  - affected: `bb23c0ab824653be4aa7dfca15b07b3059717004 to before 005b23d9e324fe5d0acbcfa70c625f2e81189046` (git)
  - affected: `bb23c0ab824653be4aa7dfca15b07b3059717004 to before 46f8ffd0a1f1eb6cbc94946a92c11ef601e228a1` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `2.6.30`
  - unaffected: `before 2.6.30` (semver)
  - unaffected: `5.10.271 to 5.10.*, inclusive` (semver)
  - unaffected: `5.15.222 to 5.15.*, inclusive` (semver)
  - unaffected: `6.1.189 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.158 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.112 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.55 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.9 to 7.2.*, inclusive` (semver)
  - unaffected: `7.3 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0018, the 7th percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 18 Oct 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-98455](https://www.cve.org/CVERecord?id=CVE-2026-98455)
- [NVD: CVE-2026-98455](https://nvd.nist.gov/vuln/detail/CVE-2026-98455)

### References from the CNA

- <https://git.kernel.org/stable/c/c3aee3fc1287c8a555baf3895959087cb0c33fe8>
- <https://git.kernel.org/stable/c/4bf5ca47203049ce3648f750a53dcdc98bcc9e3e>
- <https://git.kernel.org/stable/c/1c4f7e1177da2f229be04139c27e5370a1cfba52>
- <https://git.kernel.org/stable/c/84ae3cfd7d3a63591a2eb4faa24faf678c6708aa>
- <https://git.kernel.org/stable/c/c7362f6a18ed167f52f08ce25eeec8a7818c5004>
- <https://git.kernel.org/stable/c/8f5b30cc12c409ff62891e47ed51e6bf0945a3ea>
- <https://git.kernel.org/stable/c/005b23d9e324fe5d0acbcfa70c625f2e81189046>
- <https://git.kernel.org/stable/c/46f8ffd0a1f1eb6cbc94946a92c11ef601e228a1>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-98455>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-98455/>. Everything for agents: <https://agentprime.io/llms.txt>.